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From: v087mxgb@ubvmsa.cc.buffalo.edu (Shawn E Thompson)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: ** Heeellp!!! System crash due to 3.5" floppy installation?
Message-ID: <78111@eerie.acsu.Buffalo.EDU>
Date: 29 May 91 12:58:20 GMT
References: <3095@cod.NOSC.MIL>
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In article <3095@cod.NOSC.MIL>, bell@cod.NOSC.MIL (Thomas T. Bell) writes...
> 
>Consequently, the dir command would always give the same directory
>listing of drive B: (where the 3.5" drive is located) even if a new
>disk was inserted into the drive.  So, I called Datel Computers and

There is a jumper on the back of the drive that gets shipped in the
XT position .....change it to the AT position......I had the same
problem TWICE........(after the first time I forgot...hehe...whoops)


This is why it gives the same dir over again.....XT controllers
have an on-board buffer, AT 's use a buffer in the drive itself
so if it thinks you have an XT it wont clear the buffer ......



(I might have the explanation backwards, but you get the basic
idea......)



regards 


ST